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Software Architecture

Eventual Consistency

/ɪˈventʃuəl kənˈsɪstənsi/

Definition

A property where distributed data replicas will become consistent over time in the absence of new updates.

Example in context

"The user's profile update is eventually consistent — all regions converge to the new value within 2 seconds."

Related terms

  • CAP theorem — A theorem stating distributed systems can guarantee at most two of three properties: Consistency, Availability, Partition tolerance.
  • Replication — Copying data from a primary database to one or more replicas to improve read performance and provide failover capability.

Practice this term

Master Eventual Consistency in context by working through exercises in the Software Architecture module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.

Practice in exercises → Browse all words

Frequently Asked Questions

What does "Eventual Consistency" mean?

A property where distributed data replicas will become consistent over time in the absence of new updates.

How do you pronounce "Eventual Consistency"?

"Eventual Consistency" is pronounced /ɪˈventʃuəl kənˈsɪstənsi/.

Can you use "Eventual Consistency" in a sentence?

"The user's profile update is eventually consistent — all regions converge to the new value within 2 seconds."